// Copyright 2019 The TensorFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/// The color of a player or a stone.
enum Color: Int {
    case black = 1
    case white = -1
}

extension Color: CaseIterable {}

extension Color: CustomStringConvertible {
    var description: String {
        switch self {
        case .black: return "X"
        case .white: return "O"
        }
    }
}
